Yep, removing it seems like a good solution. And please do feel free to add any 
newlines and any files that are missing them without need for reviews.

> On Aug 11, 2015, at 9:21 PM, Bruce Mitchener via lldb-dev 
> <lldb-dev@lists.llvm.org> wrote:
> 
> Hello!
> 
> This is probably for the Apple People since it relates to debugserver...
> 
> I was going to fix an issue with the cmake build on Mac OS X related to the 
> mig generation step and DNBConfig.h, but when I started digging into things, 
> I noticed that DNBConfig.h isn't needed any longer.
> 
> The only test that it performs is for whether or not 64 bit Mach exceptions 
> can be used.
> 
> The code that actually handled non-64 bit Mach exceptions was removed in 2011 
> by this commit:
> 
> commit 0e8147bd867e4cdaae9400f56d02c7aacd40a9b3
> Author: Greg Clayton <gclay...@apple.com>
> Date:   Fri Oct 28 22:59:14 2011 +0000
> 
>     Enabled the "printf" attribute on all debugserver logging functions and 
> fixed
>     the ensuing mayhem.
> 
> 
> 
>     git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@143244 
> 91177308-0d34-0410-b5e6-96231b3b80d8
> 
> So, I'm wondering what the right next step is:
> 
>       • Just fix the issue that I was going to fix in the cmake build system.
>       • Remove the unused test for 64 bit Mach exception handling and that 
> usage of DNBConfig.h
>       • Remove DNBConfig.h entirely along with the machinery for generating 
> it since nothing actually needs or uses it.
>       • Something else.
> I'm happy to do any of the above options.
> 
> Cheers,
> 
>  - Bruce
> 
> PS. HavAVX.s is missing an EOL at EOF, and so it generates a warning. Can I 
> just commit an EOL at EOF without going through Phabricator? That won't break 
> anything, right?
> 
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